Home / 1,208,292.65-1,811,306.60-409,014.89

Finding the Fourth Proportional to 1,208,292.65, 1,811,306.60 and 409,014.89

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Solution

The fourth proportional to 1,208,292.65, 1,811,306.60 and 409,014.89 is: 613,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,292.65 : 1,811,306.60 = 409,014.89 : x
  2. Step 2: Convert to fraction form
    1,208,292.65/1,811,306.60 = 409,014.89/x
  3. Step 3: Cross multiply
    1,208,292.65x = 1,811,306.60 × 409,014.89
  4. Step 4: Simplify right side
    1,208,292.65x = 740,851,373,261.00
  5. Step 5: Solve for x
    x = 740,851,373,261.00/1,208,292.65
  6. Step 6: Final answer
    x = 613,139.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.